Ventilator



J. Wl LIPPINCOTT.

VENTILATOR.

APPLICATION FILED MAY 20, 1919.

1,391,781, mndsepf. 27,1921.

` UNITED STATES* PATENT eprice.

JOHNw. LIPrINco'r'r, or LITTLE ROCK. ARKANSAS. l

vnNTrLA'roR.

Application ledMay 20,

To all 'whom t may concern.' l

Be it known that I, JOHN IV. LirrINcorr, a citizen of the United States, residing at Little Rock, in the county of Pulaski and `State of Arkansas, have invented new and useful Improvements in Ventilatore, of which the following is a specification.

This is a continuation in part ofmy formally abandoned application' Serial No.

222,689, filed March 15, 1918, for cabbage car ventilator.

My invention relates particularly to means for Ventilating bulk (uncrated) cabbage when loaded (piled) in a freight car for transportation, and the objects thereof, are to provide a ventilator that will afford eflicient ventilation, and, therefore, materially assist in the preservation of cabbage while in transit, and one that will also be convenf ient and economical tovv use, and I attain all of these objects by the means illustrated in the accompanying drawings in which- Figure 1 is an end view ofy a section of the ventilator in a normal position for use.V

Figs. v2 and 3 are side viewsof severaly ventilator sections, each figure .showing a modification of telescopically connecting the sectionszend to end to afford adjustability as to length.

Fig. 4 is a detail side View of a fragment of a ventilator section. f

' Similar numerals and letters referto similar parts throughout the drawings.

The ventilator as hereinl contemplated consists of a suitable number of sections which when placed end to end will extend from end to end throughout the longitudinal length Yof a maximum length freight4 car. The foundation of each section consists of two or more triangular' shaped frames, each of which is composed of a pair of legs orY members 1 and 1 suitably hinged together n atA their upper 1corner or apex corner,Y thus forming two "sides of the triangle. The third side of the triangle is formed by suit` ably hinging a third member 2 to either of each pair of legs near its lower-end and detachably connecting'its other or ,free end' with the other or companion leg, which is done byprovidingone or more notchesS at the free end of the third member to engage a lug or pin 4, which `projects from the side of the companion leg as is shown in detail`V by Figs. v1f and 4. The engagement is prevented from accidental disengagement and therefore the spreadingv or point of. origin.

Specification of Letters Patent Pafnted .Sept 279.71921.

1919. seria1No.298,5oo.

folding of the frame by a retaining pin 5, f

which passes through a holev in the third member and engages a'corresponding hole 1n the lug`4. i The object infproviding several notches 3 kin the third memberis to affordadjustability as to the width (spread) or heightl of the frames.` These frames may be said 4to'be polygonal shaped frames, as the members of which they are composed may be placed at any desired angle to' each other. Two or more of these polygonal shaped 'frames are connected by covering the outside of the two members referred toas legs 1 andl with slats 6, suitably spaced'apart thusforming two reticulated sides which mayV be set up and locked at any desired angle to each other Vas is shown by end view Fig. 1 and Fig. 4. i

Any suitably reticulated material may be used forthe sides in lieu of slats and the sides may be made more rigid and durable byfthediagonal braces 7 shown in Figs. 2 and 3. y l L As `shown in detaill in Fig. 4 the legsl and 1; are' blocked apartby the blocks 8 so that when the locking and engaging` attach` f for stowing, hanging Aon the hooks "9 near j the top of the car or, transportation back to Cars in which cabbage ris usuallyshipped vary as much as twelve feet in length, pos-y f sibly more, hence, inorder to adapt a given number of ventilator sections to each'of the various lengthed-cars it is necessary topiovide considerable adjustability as yto the aggregatelength of the ventilator sections so that the combined length of a givennumber of sections when placed end to end will be just long enough to extend from end to end of a maximum length car, but be adapted toa shorter length car by constructing the sections soy that they may telescopek eachother and, thereby afford ad-` justawbi'lity as to their combined length. This may be done in either of the two ways illustrated by Figs, 2 and 3. It is nodoubt obvious that the arrangement of Vthe venti-` lator sections can be'V varied` fromV thatV shown in" either of these views, or the two methods may be combined.' In the modification illustrated by Fig. 2 each ventilatorsection is sufficiently tapered to permit the large end of each ventilator section to telescopically receive the small end of its adjoining ventilator section and thereby afford considerable adjustability (shortening) in the combined length of a number of ventilator sections-eg., the large end of the ventilator section- C is adapted to telescopically receivevthe small end of the ventilator section B, the large end of theV ventilator section I) is adapted to telescopically receive the small end of the ventilator section C, and this analogy applies to each additional ventilator section needed to extend from end to end of the car. Y

In the modification illustrated by Fig. 3, however, adjustablility as to the aggregate (combined) length is afforded by making alternate (every other) ventilator section sufficiently large enough so'that each end thereof may telescopically receive the end of each of the adjoining smaller ventilator sections-e. g., the ventilator section E is larger at both ends than ventilator sections F and G, hence, will telescopically receive an end of each. The ventilator section H is larger than the ventilator section Gand will, there fore, telescopically receive the end of the small ventilator section ,Gm Likewise the ventilator section I is. larger than the ventilator section F and will, therefore, ,telescopically receive the end of the smaller ventilator section F and this analogy' applies to each additional ventilator section that may be needed. I

As contemplated herein and shown in Figs. 2 and of one of the polygonal frames is located at each end of each ventilator section and as many more atintermediate points as are deemed necessary to withstand the weight and pressure of the vegetables piled thereon (and against) and each frame is provided with the third member 2 and the detachment means. As previously pointed out, the functions of the third members and detachment means are to prevent the spreading and folding of the ventilator section, hence, when adjoining ventilator sections do not lap (telescope) each other this third member and the (detachable) connection (fastening) is an essential feature at each end of the ventilator sections, but in cars wherein it is necessary to shorten the aggregate (combined) length of the ventilator sections by telescopically connecting the ends of some or all of the ventilator sections it is obvious that if the third member 2 was in position to function at the large end (or keach end of the large ventilator section) telescoping would be prohibited thereby, hence, if it is desired to telescope (lap) twoadjoining sections it would be necessary to let the third member, which is located at the large end (or at both ends of the large ventilator section of the ventilator section continue to repose in the position indicated by the dotted lines in Fig. l, for the effect of this telescopic connection of adjoining ventilator sections is merely to cause the large end of a ventilator section to straddle and rest upon the smaller, hence, the support of the third member is not needed at the end of the straddling ventilator section in order to prevent its tendency to spread or fold.

The modification illustrated by Fig. 3 has an advantage over that illustrated by Fig. 2

yin that the middle section E in effect merely straddles thev end of each adjoining small section F and G and may, therefore, be put in position after each end of the car is loaded and it may be 'removed as soon as the middle portion (doorway) of the car is unloaded at destination and thus greatly facilitate the work in both instances The ventilator herein contemplated is equallyv well adapted to use in a refrigerated, ventilated, or a stock car, as the ventilatorextends longitudinally from end to end of the car, and if used in a refrigerated car wherein ice is used to preserve the cabbage, the cold air afforded by the ice willhave free access to and through said ventilator at both of its ends, and will, therefore, freely circulate and thoroughly pervade the contents of the car, and if used in a venti* lated or stock car a constant current of air will flow'through said ventilator from end to end of said car when the wind is blowing or when said car is in motion, and fresh air will, therefore, thoroughly pervade the contents of said car and keep them much cooler than if not provided with adequate ventilation.

Having thus described my invention what -I claim and desire protected by Letters section comprising inverted Vshaped end frames, one end frame of a size to telescope within the other, said end :frames comprising legs pivotedtogether neartheir lower ends, adjustable means to. space said legs apart, slats connectingv said end frames to form reticulated sides, said sections being capable of arrangement in overlapping re-V` lation. ff e l JOI-IN LIPPINCOTT. 

